Roller cultivator and grader.



No. 733,634. PATENTED JULYM, 190 s.. 0. E. DUNGAN & c. F. STELLB. ROLLERGULTIVATOR AND GRADER.

APPLIOATION nun DEC. 20. 1902. N0 MODEL. 4 SHEETS-SHEET 1.

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APPLICATION FILED D130. 20. 1902.

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No. 733,634. PATENTED JULY 14, 1903.. o. E. DUNGAN & o. F. STELLE.

ROLLER GULTIVATOR AND GRADER.

APPLIGATIOH FILED D110. 20. 1902.

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Nrrnn STATES iatented July 14, 1905.

PATENT OFFI E,

CLARENCE E. DUNGAN AND CLIFFORD n. STELLE, on OONNERSVILLE,

INDIANA.

RO LER cuLTlvAroR AND GaADEI-"l.

SPECIFICATION rainin part of Letters Patent No. 733,634, dated my 14,1905;. Application filed December 20, 1902. Serial No. 135,951. (Nomodel.)

To all whom it may concern.-

Be it known that we, CLARENCE E. DUNGAN and CLIFFORD F. STELLE, citizensof the United States, residing at Gonnersville, in the county of Fayetteand State of Indiana, have invented new and useful Improvements inRoller Cultivators and Graders; and we do declare the following to be afull, clear, and exact description of the invention, reference being hadto the accompanying drawings, and to the letters and figures ofreference marked thereon, which form a part of this specification.

Thisinvention relates to agriculturalimplements that are designed tocultivate growing crops, particularly of corn, the invention havingreference particularly to implements in each of which are combinedrollers, cultivators or shovels, and graders for leveling the groundafter having been rolled and loosened.

The object of the invention is to provide a combination improvedimplement of the character above described and to improve the componentparts of implements of this character to the end that they may becheaply produced and be advantageous, economical, and durable in use.

With the above-mentioned and minor -objects in view the inventionconsists in rollers having movable shovels, the rollers being adapted tobe adjusted both laterally and vertically, and in adjustable graders;and the invention consists, further, in the novel parts and in the novelcombination and arrangement of parts, as hereinafter particularlydescribed, and pointed out in the appended claims.

Referring to the drawings, Figure 1 is a perspective representation ofan implement embodying the invention, minor parts being omitted to avoidconfusion; Fig. 2, a top plan view of half of the implement, minor partsalso being omitted therefrom; Fig. 3, a rear elevation View showing theprincipal elements of the implement; Figs. a, 5, 6, and 7, fragmentarydetail views showing the preferred forms of various parts; Fig. 8, acentral vertical longitudinal sectional view showing portions of theimplement in side elevation; Figs. 9, 10, and 11, fragmentary detailviews of various parts; Fig. 12, a fragmentary top plan view in whichparts are shown in horizontal section; and Figs. 13, 1 1, and 15,fragmentary detail views elaborating parts that may be obscure in otherfigures.

Similar reference characters in the drawings designate like parts.

Broadly considered the implement comprises a pair of carrying-wheels AA, in which is mounted an arch B ofsuitable form having axles 1 and 2. Ahorizont ally disposed frame 0 is secured to the arch and extendsforwardly thereof. A pole D is secured to the top of the arch and bymeans of a postE is connected with the frame 0, so that the arch, theframe, the rear portion of the pole and the post together comprise thegeneral framework of the implement. A seat-bar F is connected to thegeneral framework, preferably to the post E, and extends rearwardlybeyond the arch B, a seat a being attached thereto. The rear portion ofthe seat-bar is supported by a spring I), which may be situated as farback as the arch and attached to the pole D or other suitable support.The framework is provided with inclined braces d d, attached adjustablyto the axles 1 and 2 and also to the frame C.' Each brace is providedwith an eye e or e at the rear of the axle, and clamps f are employedfor attaching the braces to the axles, the clamps having eyes g g at therear of the axles below the other eyes. Connected to the eyes 6 e arearms G G, adapted to move radially in vertical planes, and they mayalso'be designed tomove laterally in the eyes, if desired. Axle-shafts H Hhave each an end thereof connected to the arms G G, the shafts extendinglaterally from the arms toward each other. Adjustable frame members I Iare attached to the general framework, preferably to the frame 0, andare suitably braced, as by hangers 3, attached to the pole D and to across-bar 4:, adj ust-ably attached to the members I I. The rear ends ofthe members I I are curved downwardly and have guide-openings h, inwhich are movably mounted the adjacent ends of the shafts H H. Rollers JJ are mounted on the shafts rotatively and may be adapted to move alongthe shafts, the hubs i being in such case shorter than the shafts.

Brackets j j are attached to opposite sides of the arch B at the topthereof, and a bracket K, having shaft-bearings 7c and Z Z, is securedtothe rear portion of the pole D. Bockshafts L L are mounted in thebrackets jj and the bearings 7c 70 and are provided with toothed wheelsm m at their adjacent ends near the bearings 71? 7;. Shafts 5 aremounted in the bearings Z Z, and on the shafts are mountedoperating-levers M M, having toothed segments 71 n, engaging the wheelsm m. Arms N N N N N N are movably attached to the shafts L L, so as tobe adjustable laterally on the shafts, as by means of set-screws 6, andlinks 0 O O O are pivoted to four of the arms and connected to theshafts H H, or substantially thereto, for lifting the rollers J J.Outriggers P P are pivoted to the arms 1 N, one between each pair oflinks, and extend downwardly at the rear of the rollers.

Brackets Q Q are movably attached to the links 0 O and have springs 7,upon which are supported a cross-bar 19, upon which rests the seat-barF. A strap q is secured to the bar 1) and extends over the bar F,holding the two bars together, but permitting end movements of the barF. Pins 8 normally prevent the brackets Q Q from sliding down the linkson which they are mounted.

Brackets r r are secured to the members I 1 and depend therefrom.Coupling-bars s are pivotally connected to the eyes g g, and like bars 3are likewise connected to the brackets r0 extending rearwardly, thecoupling-bars being in pairs and all pivoted in the same plane, so thatthey have substantially an identical pivotal axis. A beam R is attachedto one pair of coupling-bars and a beam R is attached to the other pair.The beams carry graders t and also cultivatorshovels u, the latter beingsituated beyond the outer sides of the rollers and the graders behindthe rollers. The beams R R are also connected with the Outriggers P P,and the latter may be provided each with a wheel l). The rollers J J areprovided with cultivatorshovels w for loosening and working the ground.I

Shifting bars S S are provided for manually moving the rollers J Jlaterally while in motion, and they have limbs y y reaching to theroller-hubs or their shafts. It may be designed so that the limbs of theshifting bars may be attached to the shafts of the rollers, as in Figs.2 and 3, so as to move the arms G G laterally in the eyes 2 e, or, asshown in Fig. 12 particularly, the limbs may be connected to the hubs2', so that the rollers may be moved along their shafts, the ends of thelimbs being carried by the hubs. The shifting bars are carried by meansof links T T, connected with the Outriggers P P, and are provided withprojections 9 and 10 within reach of the drivers knees. The bars S Susually carry frames U, to which are attached scrapers V, which arepressed against the rollers J J by springs Y, the scraper-frames beingconnected pivotally with their supports by means of a coupling-head W,which may serve to connect the shifting bars to the links T T. A couplerX is usually provided by which to couple the two shifting bars togetherwhen desired and is permanently connected movably to either one of thebars S or S.

Specifically, in construction the arch B and axles 1 and 2 may be formedof a single piece of iron. The parts 0, D, and E are secured together bya bolt 11. The arms G G may be formed integrally with the roller-shaftsor separately, as will be apparent, and each one has a bent endextending through an eye 6 or e. The members I I being designed to bedisconnected from the frame 0 and spread apart, if so desired, the frame0 is provided with extra bolt-holes 12 to receive the bolts 13 whentransferred, which secure the members to the part 0. Also the cross-bar4 has extra bolt-holes let to receive the securingbolts 15 when themembers I I are moved.

The rollers J and J may have any suitable number of shovels projectingfrom the peripheries thereof, and preferably the shovels are mountedelastically, so as to guard against injury in case they are forcedagainst stones or roots. The rollers have slots 16, through which theshanks 17 of the shovels extend,

the shanks being pivoted to cars 18 at the inner sides of the shells ofthe rollers, which are hollow. The shovels are provided either withcompressed springs 19, as in Fig. 1, or with strained springs 20, as inFigs. 8 and 12. The braces (Z d being designed to be moved laterallyalong the axles 1 and 2, the braces have slots 21, through which thesecuringbolts 22 extend, and the axles may be provided with gage-holes23 and pins 24. The draft-rigging, as a doubletree, may be connected tothe bolt 11.

Usually the ends of each roller-hub i have each a groove 25, and thelimbs y y have forks 26 fittinginthegrooves,straps27 beingsecured bybolts 28 to the forks and also fitting in the grooves, thus retainingthe forks in the grooves, and by this means the hub may rotate in thestrapped forks and may thereby be moved along its shaft H or H.

\Vhen it is designed so that the rollers may move laterally on theirshafts, as above described, by means of the shifting bars S S, it maynot be necessary that the shafts be mounted so as to be moved by theshiftingbars, but may be so mounted, if desired, in which case the armsG G will be movable laterally, the bent ends of the arms being movableendwise in the eyes 6 e, and the shafts H 1-1 will be movable endwise intheir curved guides between the rollers. It will be understood that whenthe machine is in operation the jolting produced by the uneven groundwill tend to cause the rollers to move laterally with respect to thecarrying-wheels and such movements may be controlled by means of thedrivers knees and the shifting bars.

Each beam R or R is usually provided with two graders if, one of whichmay be movable,

so as to change its angle, in which case its shank 29 is mountedrotatively in a bearing 30 and provided with an arm 31, having afoot-loop 32, and the shanks preferably are coiled to form springs 33.The arms 31 engage notched quadrants 34. The beams are usuallyelastically supported by means of springs 35 and 36 andadjusting-collars 37 and nuts 38, fitted to the extremities of theOutriggers P P, which extend through apertu res in the beams. The shanksof the shovels it also preferably have the springs 33.

In practical use the driver will ride upon the seat a, placing his feetin the loops 32 and his legs between the pairs of projections 9 and 10,his weight being carried by the rollers J J. By moving his kneessidewise the rollers may be caused to travel closer or farther apart, asmay be desired, the row of corn being between the rollers, theadjustment being limited, however. To change the angle of the movablegraders, the feet should be moved laterally, carrying the loops withthem. A separate adjustment of the rollers and cooperating parts may beobtained by moving laterally the members I 1 and the arms G G and shaftsH H, also the braces (Z d and the arms N N N N when the machine is atrest. By operating the levers M M the rollers and connections may beraised, transferring all or part of their weights upon thecarrying-wheels A A, the latter carrying all the parts when moving onroads. When all are thus carried, the brackets Q Q will first beloosened by removing the pins 8 and slide down the links or lifters 0 0the spring I) then supporting the bar F. The scrapers V will preventadherence of soil to the rollers between the shovels. As the rollersmove upon the ground the shovels will penetrate the soil and willnormally be held in proper positions by their springs.

Having thus described the invention, what we claim as new is- 1. Aroller-cultivator including carryingwheels, a frame mounted on thewheels, rollers having shovels, arms connected with the frame andalsowith the roller-axle shafts, rock-shafts mounted on the frame and havinglifting-arms attached thereto, operatinglevers for the rock-shafts,links connected with the axle-shafts of the rollers and also with thelifting-arms, a seat-bar connected with the frame and also with thelinks, and a seat attached to the seat-bar.

A roller-cultivator including carryingwheels, a frame, an arch formingparts of the frame and mounted in the Wheels, eyes attached to the arch,arms pivoted in the eyes, members attached to the frame and havingcurved slots therein, axle-shafts attached to the arms and also havingbearings in the curved slots, lifting arms having shafts mounted on theframe, lifting-links connected to the lifting-arms and with theaxle-shafts,

rollers having movable shovels and mounted on the axle-shafts, and meansfor operating the lifting-arms.

-3. A roller-cultivator including carrying- Wheels, axle-shafts havingarms pivoted to the frame and extending rearwardly therefrom, rollersmounted on the axle-shafts and having slotsin the rims thereof, pivotsmounted at the inner sides of the rims at the slots, shovels havingshanks extending through the slots and mounted on the pivots, lugsattached to the rims, springs connected with the lugs and also with theshanks, rock-shafts mounted on the frame, lifting-arms attached to therock-shafts, links connected to the liftingarms and with theaxle-shafts, and means whereby the rock-shafts may be operated.

4. A roller cultivator and grader including carrying-wheels, a framemounted on the wheels, rollers having shovels, arms connected with theframe and also with the rollers, rotative shafts mounted on the frame,means for operating the rotative shafts, lifting-arms attached to therotative shafts and having links connected with the rollers,armsattached to the rotative shafts and having Outriggers extending behindthe rollers, beams connected with the Outriggers and having graders andshovels attached thereto, and shifting bars connected with theOutriggers and also with the rollers.

5. A roller-cultivator including carryingwheels, a frame mounted on theWheels, rollers mounted behind the frame and having shovels pivotedthereto, means for lifting the rollers, Outriggers mounted behind therollers, means for elevating the Outriggers with the rollers, beamsconnected with the outriggers, graders and shovels mounted on the beams,shifting bars connected with the rollers, scrapers supported by theshifting bars, and links connecting the shifting bars with theoutriggers.

6. A roller cultivator and grader including carrying-wheels, a frame,rollers having shovels, Outriggers extending rearwardly beyond therollers, means whereby the rollers and the Outriggers may be elevatedtogether, beams carried by the Outriggers, shovels having spring-shankssupported by the beams, and graders having spring-shanks movablysupported by the beams.

7. A roller-cultivator including carryingwheels, a framelmounted on thewheels, rollers having shovels projecting therefrom, arms pivoted to theframe, members attachedto the frame and having curved guide-openingstherein, roller-shafts extending through the roller-hubs and attached tothe arms and also movably mounted in the guide-openings, and

lifters connected with the frame and also with the roller-shafts.

8. A roller-cultivator including carryingwheels, a frame mounted on thewheels, arms pivoted to the frame, curved guides supported by the frame,roller-shafts mounted in the arms and in the curved guides, rollersmount ed on the roller-shafts, links connected to the roller shafts,lifting arms connected to the links, means for operating thelifting-arms, beams mounted behind the rollers, shovel-s mounted on thebeams, adjustable graders mounted on the beams, and means whereby thebeams may be lifted with the rollers.

9. In a roller-cultivator, the combination with carrying-wheels and anarch mounted in the Wheels, of a pole attached to the arch, a framemember attached to the arch and 6X- tending below the pole, bracesattached to the frame member and also connected With the lower portionsof the arch, a post extending from the frame member to the pole andsecured thereto, a seat-bar connected with the post, a spring connectedwith the seat-bar and also with the pole, cultivator-rollers havingaxle-shafts and operatively connected with the frame, lifting-armsmounted on the frame, link-bars connected with the liftingarms and alsowith the axle-shafts and having movable brackets connected with the seatbar, substantially as set forth.

10. In a roller cultivator and grader, the combination with a frame 'andcarrying- Wheels therefor, of cultivator-rollers mounted in the frame,Outriggers connected operatively with the frame and extending over andbehind the rollers, beams connected with the Outriggers and havingnotched quadrants, graders having shanks mounted rotatively on the beamsand provided with arms engaging the quadrants and loops attached to thearms, and a seat supported substantially by the rollers and the frame,substantially as set forth.

In testimony whereof We-aftiX our signatures in presence of twoWitnesses.

, CLARENCE E. DUN GAN. CLIFFORD F. STELLE. W'itnesses:

WV. E. JEFFREY, E. W. JEFFREY.

